200720848

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{45289}}^1$

素因数の和:45574

約数の個数: 20

約数和(自身を含む): 390309220

約数和(自身を除く): 189588372

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 45289, 90578, 181156, 362312, 724624, 12545053, 25090106, 50180212, 100360424, 200720848]

約数ペア:

[(1, 200720848), (2, 100360424), (4, 50180212), (8, 25090106), (16, 12545053), (277, 724624), (554, 362312), (1108, 181156), (2216, 90578), (4432, 45289)]